There are several options for an analog input acquisition. Once you have selected your counter s you will be able to configure the counter output task see Figure Click Finish to move on to the configuration stage. You can create global channels in MAX or in your application software. This output appears for continuous or hardware-timed single-point tasks only.
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The DAQ Assistant launches, and you can modify the task, if necessary. Select the terminal configuration you used for the signal. This input does not appear for some channel types and sample timing fxpress. Back to Top 3. Once you have your channel s selected, you will come to the analog output task configuration page. You can use global channels in any application or add them to a number of different tasks.
In this document, we will be discussing the Line Input task, but the other three operations are set up similarly. The Custom Scaling option allows you to create a new scale or apply already existing scales.
Enter for Samples To Readand enter for Rate Hz might default to 1kas shown in the following figure. Typically, the idle state is generated first followed by the active state. After you create a task, you can configure channel-specific settings such as scaling, input limits, and terminal configuration. Any changes you make to the configuration code is not reflected in the DAQ Assistant.
Back to Top 7. Specifies the sampling rate in samples per channel per second. Show me an example please. This document will focus on an Edge Count measurement see Figure Once you have selected the counter channel, you will come to the task configuration page see Figure Once you select Pulse Output, you will be able to select which counter s you want to you use in this pulse generation operation.
NI-DAQmx Express VI Tutorial - National Instruments
This site uses cookies to offer you a better browsing experience. The Assistant should automatically launch when you drop the VI on the diagram. Complete the following steps to generate code to run the voltage task.
Once you select your type of counter input, you will have the option of selecting the counter you want to use. Once the channels have been defined or selected, click Next to go to the task configuration page see Figure By default, the properties page should pop up, daa you to configure your task. This step-by-step tutorial walks through the configuration of an example task using the DAQ assistant and then explains the different code generation options.
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Using the DAQ Assistant to Automatically Generate LabVIEW Code
You can set the Initial Count of the count register. There are several options for an analog input acquisition. This site uses cookies to offer you a better browsing experience.
Select the channel you would like to test. It is intended for both the beginner who wants to learn how to use the DAQ Assistant, as well as the experienced user who wishes to take advantage of advanced NI-DAQmx functionality. Click the Run button to run the application. The first screen you will see will allow you to select the physical channels that you want to acquire from, by creating local channels see Figure 5.
Configuration - Generates the code that replicates the configuration of the tasks and channels. For other measurement and signal generation types, you would follow similar steps.
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